lld/test/ELF/arm-exidx-dedup-and-sentinel.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o
   3 // RUN: ld.lld %t.o -shared -o %t.so --section-start .text=0x2000 --section-start .ARM.exidx=0x1000
   4 // RUN: llvm-objdump -s --triple=armv7a-none-linux-gnueabi %t.so | FileCheck %s
   5
   6  .syntax unified
   7
   8  .section .text.foo, "ax", %progbits
   9  .globl foo
  10 foo:
  11  .fnstart
  12  bx lr
  13  .cantunwind
  14  .fnend
  15
  16  .section .text.bar, "ax", %progbits
  17  .globl bar
  18 bar:
  19  .fnstart
  20  bx lr
  21  .cantunwind
  22  .fnend
  23
  24 // CHECK: Contents of section .ARM.exidx:
  25 // 1000 + 1000 = 0x2000 = foo
  26 // The entry for bar is the same as previous and is eliminated.
  27 // The sentinel entry should be preserved.
  28 // 1008 + 1000 = 0x2008 = bar + sizeof(bar)
  29 // CHECK-NEXT: 1000 00100000 01000000 00100000 01000000